diff --git a/.gitea/workflows/build-flatpak.yml b/.gitea/workflows/build-flatpak.yml
index 42c17df2..77c4df71 100644
--- a/.gitea/workflows/build-flatpak.yml
+++ b/.gitea/workflows/build-flatpak.yml
@@ -8,11 +8,15 @@ on:
 jobs:
   build-flatpak:
     runs-on: ubuntu-latest
+    container:
+      image: ubuntu:22.04
     steps:
       - name: Install dependencies
         run: |
-          sudo apt-get update
-          sudo apt-get install -y curl jq sed flatpak flatpak-builder ostree git binutils xz-utils zstd
+          apt-get update
+          apt-get install -y curl ca-certificates
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs jq sed flatpak flatpak-builder ostree git binutils xz-utils zstd
 
       - name: Checkout repository
         uses: actions/checkout@v4